Organotin compounds

Abstract

Organotin compounds of the general formula ##STR1## wherein X is a chlorine, bromine or iodine atom, R is a hydrogen atom and/or an alkyl radical, Z is an oxygen or sulfur atom, and R' is a hydrocarbon group of aliphatic, cycloaliphatic or aromatic character which can contain functional groups, and a process for their production by the direct reaction of a tin dihalide with an unsaturated nitrile. The organotin compounds are used as intermediates for the production of organotin stabilizers for halogen-containing thermoplastics.

What is claimed is: 
     
       1. An organotin compound of the general formula ##STR11## wherein X is a chlorine, bromine or iodine atom, R is selected from the group consisting of a hydrogen atom and alkyl,   Z is an oxygen or sulphur atom, and   R' is a hydrocarbon group of aliphatic, cycloaliphatic or aromatic character, or said group substituted by a hydroxyl, thiol, alkoxy, alkylthio, carboxyl or carboalkoxy group.   
     
     
       2. An organotin compound according to claim 1 wherein R is selected from the group consisting of a hydrogen atom and methyl. 
     
     
       3. An organotin compound according to claim 1 wherein R is a hydrogen atom. 
     
     
       4. An organotin compound according to claim 1 wherein X is a chlorine atom. 
     
     
       5. An organotin compound according to claim 1 wherein the hydrocarbon group R' contains 1 to 12 carbon atoms and is linear or branched alkyl or cycloalkyl. 
     
     
       6. Trichloro-(2-ethoxycarboximidoylethyl) tin hydrochloride.